File: audio_source_parameters.h

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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_AUDIO_AUDIO_SOURCE_PARAMETERS_H_
#define MEDIA_AUDIO_AUDIO_SOURCE_PARAMETERS_H_

#include <optional>

#include "base/unguessable_token.h"
#include "media/base/audio_processing.h"
#include "media/base/media_export.h"

namespace media {

// The set of parameters used to create an AudioInputDevice.
// If |session_id| is nonzero, it is used by the browser
// to select the correct input device ID. If |session_id| is zero, the default
// input device will be selected. This is the state when default constructed.
struct MEDIA_EXPORT AudioSourceParameters final {
  AudioSourceParameters();
  explicit AudioSourceParameters(const base::UnguessableToken& session_id);
  AudioSourceParameters(const AudioSourceParameters& params);
  ~AudioSourceParameters();

  base::UnguessableToken session_id;
  std::optional<AudioProcessingSettings> processing;
};

}  // namespace media

#endif  // MEDIA_AUDIO_AUDIO_SOURCE_PARAMETERS_H_